All Questions ⁺⁰237767 Questions

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Rate problem

A remote control car can run for one hour at normal speed, 40 minutes at turbo speed, and 20 minutes at hyperturbo speed before its battery life is consumed. After running for 2 minutes at hyperturbo speed and 18 minutes at turbo speed, how much longer read more ..

Guest Jun 11, 2022

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302

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Sequences

In a set of four numbers, the first three are in a geometric sequence and the last three are in an arithmetic sequence with a common difference of 6. If the first number is the same as the fourth, find the four numbers.

RainbowSquirrel53 ●

Guest Jun 11, 2022

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285

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Graphing question

Find the area of the region enclosed by the graph of x^2 + y^2 = 2x - 6y + 6 + 4x - 8y.

Guest Jun 11, 2022

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321

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Percent

What percent of water must be evaporated from a 4% salt solution so that it becomes 6% salt solution? Round your answer to the nearest hundredth.

Guest Jun 11, 2022

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300

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Inequality

Solve the inequality x + 3 < x^2 + 2x + 14. Give your answer in interval notation.

Guest Jun 11, 2022

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216

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Number Theory problem

If we let f(n) denote the sum of all the positive divisors of the integer n, how many integers i exist such that 1 < i < 2010 and f(i) = i + 1?

Guest Jun 11, 2022

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297

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Coordinate geometry

Determine an expression for the area of triangle QCA in terms of p. Your answer should be simplified as much as possible.

Guest Jun 11, 2022

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255

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solving a real word problem

A florist is making blue and white flower arrangements. He has 24 blue carnations and 36 red carnations. Each arrangement has the same number of blue carnations and the same number of red carnations. He uses all the flowers to make the greatest number of read more ..

Guest Jun 11, 2022

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304

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The Game Set - Probability Question

In the card game Set, each card features a number of shapes, with four attributes:
Number: The number of shapes is 1, 2, or 3.
Color: Each shape is red, purple, or green.
Shape: Each shape is oval, diamond, or squiggle.
Shading: Each shape read more ..

Guest Jun 11, 2022

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304

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help counting

On a digital clock showing hours and minutes, how many different readings between noon and midnight contain at least one 3?

Guest Jun 11, 2022

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333

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Math

There are 1143 members in a club. 5/6 of the women and 3/7 of the men in the club volunteered to help out at an elderly home. There were 672 volunteers.
(a) How many men volunteered at the elderly home?
(b) What fraction of the members were women? read more ..

Guest Jun 11, 2022

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392

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Quite confused pls help

Consider the terminal point P in the picture below:
Find the first 4 positive values of theta in radians, such that P is the terminal read more ..

Guest Jun 11, 2022

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295

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coordinates

(1,7), (13,-16) and (5,k) are the vertices of a triangle. What is the sum of all possible values of "k" for which the area of the triangle is minimum? (k can only be an integer)

Guest Jun 11, 2022

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307

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Counting

It is a beautiful day at the beach and ten beach volleyball players have shown up at the volleyball courts. Each two-person volleyball team should consist of a setter and a spiker. Five of the players prefer to be a spiker, and five of the players prefer read more ..

Guest Jun 11, 2022

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307

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Polygon

he exterior angles of a k-sided polygon form an arithmetic sequence. The smallest and largest interior angles of the polygon are 136 degrees and 145 degrees. What is k?

Guest Jun 11, 2022

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305

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PLS HELP FAST

For how many values of theta such that 0

Guest Jun 11, 2022

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212

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More Geometry pls help

Let P, Q, R, and S be the terminal points on the circle below, and let theta be an angle such that P is the terminal point of theta.
Order read more ..

Guest Jun 11, 2022

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313

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Cookies

Brad has 80 boxes of chips, each box contains 20 bags of chips. Brad wants to share the chips with his students by equally dividing the chips among them. If Brad has 5 classes with 20 kids in each class, how many bags of chips does each student get? read more ..

Guest Jun 11, 2022

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291

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Domain

What is the smallest integer value of c such that the function f(x) = (x^2 + 1)/(x^2 + 1 + c) has a domain of all real numbers?

Guest Jun 11, 2022

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217

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help coordinates

Find the area of the triangle formed by the positive x-axis, and both the normal and the tangent to the circle x^2 + y^2 = 4 at (x,y) = (1,sqrt(3)).

Guest Jun 11, 2022

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213

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Proportion

The values of x and y are always positive, and x^2 and y vary inversely. If y is 10 when x is 2, then find x when y is 4000.

Guest Jun 11, 2022

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Function

There are three real numbers that are not in the domain of
f(x) = (x - 1)(x - 2)(x - 3)/(x(x - 1)(x - 2))
What is the sum of those three numbers?

Guest Jun 11, 2022

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GEOMETRY PLS HELP

Let theta be an angle such that sin(theta)=4/5, and cos(theta)=3/5. What are cos(theta-pi), cos(theta-(pi/2))?

Guest Jun 11, 2022

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